Pompeys Pillar, MT Weather Forecast
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Pompeys Pillar Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Patchy Fog | Rain Showers | Patchy Fog | Rain Showers | Rain Showers | Rain Showers | Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C |
| POP: 40% | POP: 20% | POP: 90% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM MDT Fri Oct 30 2026 

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Issued: 1253 PM MDT Fri Oct 30 2026
Key Messages
- Fog is possible again tonight into Saturday morning across much of the region.
- The chance of precipitation has increased on Saturday ahead of the late weekend weather system, although precip amounts remain light.
- A weather system brings widespread precipitation (70-90% chance) and breezy conditions (20-40 mph) Sunday into Monday, as well as slightly cooler temps to portions of the region.
- Southeast Montana into north central and northeast Wyoming are most favored for precipitation Su...
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